Unable to execute preview or VDB queries

Attempt to run a query from sql scrapbook in 7.6 CR1 results in the following exception:

!MESSAGE Unhandled event loop exception
!STACK 0
java.lang.NoClassDefFoundError: Could not initialize class org.teiid.jdbc.StatementImpl
at org.teiid.jdbc.DatabaseMetaDataImpl.getCatalogs(DatabaseMetaDataImpl.java:444)
at org.eclipse.datatools.connectivity.sqm.loader.JDBCCatalogLoader.createResultSet(JDBCCatalogLoader.java:177)
at org.eclipse.datatools.connectivity.sqm.loader.JDBCCatalogLoader.loadCatalogs(JDBCCatalogLoader.java:109)
at org.eclipse.datatools.connectivity.sqm.core.rte.jdbc.JDBCDatabase.loadCatalogs(JDBCDatabase.java:101)
at org.eclipse.datatools.connectivity.sqm.core.rte.jdbc.JDBCDatabase.getCatalogs(JDBCDatabase.java:63)
at org.eclipse.datatools.sqltools.core.profile.ProfileUtil.getDatabaseList(ProfileUtil.java:776)
at org.eclipse.datatools.sqltools.internal.sqlscrapbook.connection.AbstractConnectionInfoComposite.initDBNames(AbstractConnectionInfoComposite.java:156)
at org.eclipse.datatools.sqltools.internal.sqlscrapbook.connection.AbstractConnectionInfoComposite.init(AbstractConnectionInfoComposite.java:294)
at org.eclipse.datatools.sqltools.internal.sqlscrapbook.connection.ConnectionInfoComposite2.init(ConnectionInfoComposite2.java:267)
at org.eclipse.datatools.sqltools.internal.sqlscrapbook.connection.AbstractConnectionInfoComposite.init(AbstractConnectionInfoComposite.java:244)
at org.eclipse.datatools.sqltools.internal.sqlscrapbook.connection.AbstractConnectionInfoComposite.init(AbstractConnectionInfoComposite.java:254)
at org.eclipse.datatools.sqltools.internal.sqlscrapbook.editor.SQLScrapbookEditor$ToolbarSourceViewer.<init>(SQLScrapbookEditor.java:90)
at org.eclipse.datatools.sqltools.internal.sqlscrapbook.editor.SQLScrapbookEditor.doCreateSourceViewer(SQLScrapbookEditor.java:332)
at org.eclipse.datatools.sqltools.sqleditor.SQLEditor.createSourceViewer(SQLEditor.java:868)